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(res (db:multi-db-sync dbstruct 'new2old)))
(let ((sync-time (- (current-seconds) start-time)))
(debug:print-info 3 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))
(if (common:low-noise-print 30 "sync new to old")
(debug:print-info 0 *default-log-port* "Sync of newdb to olddb completed in " sync-time " seconds pid="(current-process-id))))
res))
(define *wdnum* 0)
(define *wdnum*mutex (make-mutex))
;; currently the primary job of the watchdog is to run the sync back to megatest.db from the db in /tmp
;; if we are on the homehost and we are a server (by definition we are on the homehost if we are a server)
;;
(define (common:watchdog)
(thread-sleep! 0.05) ;; delay for startup
(let ((legacy-sync (common:run-sync?))
(debug-mode (debug:debug-mode 1))
(last-time (current-seconds)))
(debug:print-info 0 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id))
(if legacy-sync
(last-time (current-seconds))
(this-wd-num (begin (mutex-lock! *wdnum*mutex) (let ((x *wdnum*)) (set! *wdnum* (add1 *wdnum*)) (mutex-unlock! *wdnum*mutex) x)))
)
(debug:print-info 0 *default-log-port* "watchdog starting. legacy-sync is " legacy-sync" pid="(current-process-id)" this-wd-num="this-wd-num)
(if (and legacy-sync (not *time-to-exit*))
(let ((dbstruct (db:setup)))
(debug:print-info 0 *default-log-port* "Server running, periodic sync started.")
(let loop ()
;;(BB> "watchdog loop. pid="(current-process-id))
(BB> "watchdog loop. pid="(current-process-id)" this-wd-num="this-wd-num" *time-to-exit*="*time-to-exit*)
;; sync for filesystem local db writes
;;
(mutex-lock! *db-multi-sync-mutex*)
(let* ((need-sync (>= *db-last-access* *db-last-sync*)) ;; no sync since last write
(sync-in-progress *db-sync-in-progress*)
(should-sync (and (not *time-to-exit*)
(should-sync (> (- (current-seconds) *db-last-sync*) 5)) ;; sync every five seconds minimum
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(set! last-time start-time)
(debug:print-info 4 *default-log-port* "timestamp -> " (seconds->time-string (current-seconds)) ", time since start -> " (seconds->hr-min-sec (- (current-seconds) *time-zero*))))))
;; keep going unless time to exit
;;
(if (not *time-to-exit*)
(let delay-loop ((count 0))
(BB> "delay-loop top; count="count" pid="(current-process-id)" this-wd-num="this-wd-num" *time-to-exit*="*time-to-exit*)
(if (and (not *time-to-exit*)
(< count 4)) ;; was 11, changing to 4.
(begin
(thread-sleep! 1)
(delay-loop (+ count 1))))
(loop)))
(if (not *time-to-exit*) (loop))))
(if (common:low-noise-print 30)
(debug:print-info 0 *default-log-port* "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id))))))))
(debug:print-info 0 *default-log-port* "Exiting watchdog timer, *time-to-exit* = " *time-to-exit*" pid="(current-process-id)" this-wd-num="this-wd-num)))))))
(define (std-exit-procedure)
(on-exit (lambda () 0))
(let ((no-hurry (if *time-to-exit* ;; hurry up
#f
(begin
(set! *time-to-exit* #t)
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